More information on Khan146;s network: Powell

Pakistan has given US 8216;8216;additional information8217;8217; about the proliferation activities of nuclear scientist Dr A.Q. Khan, Secretary of State Colin Powell has said. 8216;8216;We have learnt a great deal about A.Q. Khan8217;s network 8212; information we had before the revelations and additional information we have acquired from the Pakistani authorities as a result of their inquiries,8217;8217; he said. 8212; PTI